add an in-memory-cache for function-signatures (#4)

nomo-app · Nov 16, 2023 · aa0af12 · aa0af12
1 parent 16cb2e3
commit aa0af12
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/src/domain/entities/transactions/evm_transaction.dart b/lib/src/domain/entities/transactions/evm_transaction.dart
@@ -113,6 +113,11 @@ abstract base class EVMTransaction extends GenericTransaction {
   });
 
   FunctionSignature get getFunctionSignature {
-    return FunctionSignature.fromData(input);
+    if (!_cachedFunctionSigs.containsKey(hash)) {
+      _cachedFunctionSigs[hash] = FunctionSignature.fromData(input);
+    }
+    return _cachedFunctionSigs[hash]!;
   }
 }
+
+Map<String, FunctionSignature> _cachedFunctionSigs = {};